/*
* _08LumaQQ - Java _08QQ Client
*
* Copyright (C) 2004 notXX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.tsinghua.lumaqq.qq.packets;

import java.nio.ByteBuffer;

import edu.tsinghua.lumaqq.qq._08QQ;
import edu.tsinghua.lumaqq.qq.beans.QQUser;

/**
 * 这个包和协议无关，它用来通知上层，有些错误发生了，上层应该检查errorCode字段
 * 来获得更具体的信息
 *
 * @author luma
 */
public class ErrorPacket extends _08BasicInPacket {
    // 错误代码
    /**
     * 远端已经关闭连接
     */
    public static final int ERROR_CONNECTION_BROKEN = 0;
    /**
     * 操作超时
     */
    public static final int ERROR_TIMEOUT = 1;
    /**
     * 代理服务器错误
     */
    public static final int ERROR_PROXY = 2;
    /**
     * 网络错误
     */
    public static final int ERROR_NETWORK = 3;
    /**
     * 运行时错误，调试用
     */
    public static final int RUNTIME_ERROR = 4;

    private int family;
    public int errorCode;
    public String connectionId;
    public String errorMessage;

    // 用在超时错误中
    public _08OutPacket timeoutPacket;

    public ErrorPacket(int errorCode, QQUser user) {
        super(_08QQ.QQ_CMD_UNKNOWN, user);
        this.errorCode = errorCode;
        family = _08QQ.QQ_PROTOCOL_ALL;
        errorMessage = "";
    }

    /* (non-Javadoc)
    * @see edu.tsinghua.lumaqq.qq.packets._08Packet#parseBody(java.nio.ByteBuffer)
    */
    @Override
    protected void parseBody(ByteBuffer buf) throws PacketParseException {
    }

    @Override
    public int getFamily() {
        return family;
    }

    /**
     * @param family the family to set
     */
    public void setFamily(int family) {
        this.family = family;
    }

    @Override
    public String toString() {
        switch (errorCode) {
            case ERROR_TIMEOUT:
                return "Sending Timeout";
            case ERROR_CONNECTION_BROKEN:
                return "Connection Broken";
            case ERROR_NETWORK:
                return "Network Error";
            case ERROR_PROXY:
                return "Proxy Error";
            default:
                return "Unknown Error";
        }
    }
}
